Capital: name: Tehran
geographic coordinates: 35 42 N, 51 25 E
time difference: UTC+3.5 (8.5 hours ahead of Washington, DC, during Standard Time)
daylight saving time: +1hr, begins fourth Wednesday in March; ends fourth Friday in September
etymology: various explanations of the city's name have been proffered, but the most plausible states that it derives from the Persian words "tah" meaning "end or bottom" and "ran" meaning "[mountain] slope" to signify "bottom of the mountain slope"; Tehran lies at the bottom slope of the Elburz Mountains
Definition: This entry gives the name of the seat of government, its geographic coordinates, the time difference relative to Coordinated Universal Time (UTC) and the time observed in Washington, DC, and, if applicable, information on daylight saving time (DST). Where appropriate, a special note has been added to highlight those countries that have multiple time zones.
Source: CIA World Factbook - This page was last updated on Saturday, September 18, 2021
